Article (Scientific journals)
Trace elements in migratory species arriving to Antarctica according to their migration range
Padilha, J A; Carvalho, G O; Espejo, W et al.
2023In Marine Pollution Bulletin, 188, p. 114693
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Keywords :
Eggs; Feather; Polar region; Seabirds; Toxic elements; Antarctic Peninsula; Antarctica; Egg; Northern Hemispheres; Polar Regions; Seabird; Stable isotopes; Traces elements; Oceanography; Aquatic Science; Pollution
Abstract :
[en] The levels of eighteen trace elements (TEs) were evaluated in association with stable isotopes (δ15N, δ34S, and δ13C) in feathers and eggs of five migratory species breeding on the Antarctic Peninsula to test the factors that influence their exposure to contaminants. The feathers of seabirds migrating to the Northern Hemisphere (South polar skua) have concentrations (mean ± SD, μg. g-1) of Li (1.71 ± 2.08) and Mg (1169.5 ± 366.8) one order of magnitude higher than southern migrants, such as Snowy sheathbill Li (0.01 ± 0.005) and Mg (499.6 ± 111.9). Feathers had significantly higher concentrations for 11 of a total of 18 metals measured compared to eggs. South polar skua have higher concentrations of all TEs in eggs compared to antarctic tern. Therefore, the present study showed that migration and trophic ecology (δ15N, δ13C, and δ34S) influence Fe, Mn, Cu, and Se concentrations in feathers of Antarctic seabirds. The concentrations of Cu, Mn, Rb, Zn, Pb, Cd, Cr are higher than previously reported, which may be due to increased local and global human activities.
Disciplines :
Aquatic sciences & oceanology
Environmental sciences & ecology
Author, co-author :
Padilha, J A;  Biophysics Institute, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil, CBMA - Centre for Molecular and Environmental Biology/ARNET-Aquatic Research Network & IB-S, Institute of Science and Innovation for Bio-Sustainability, Department of Biology, University of Minho, Campus Gualtar, 4710-057 Braga, Portugal. Electronic address: janeide.padilha@ufrj.br
Carvalho, G O;  Biophysics Institute, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
Espejo, W;  Department of Soils and Natural Resources, Facultad de Agronomía, Universidad de Concepción, P.O. Box 537, Chillán, Chile
Pessôa, A R L;  Biophysics Institute, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
Cunha, L S T;  Biophysics Institute, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
Costa, E S;  Mestrado Profissional em Ambiente e Sustentabilidade, Universidade Estadual do Rio Grande do Sul, Rua Assis Brasil, 842, Centro, São Francisco de Paula, Rio Grande do Sul, Brazil
Torres, J P M;  Biophysics Institute, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
Lepoint, Gilles  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution
Das, Krishna  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Océanographie biologique
Dorneles, Paulo Renato ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Océanographie biologique
Language :
English
Title :
Trace elements in migratory species arriving to Antarctica according to their migration range
Publication date :
10 February 2023
Journal title :
Marine Pollution Bulletin
ISSN :
0025-326X
eISSN :
1879-3363
Publisher :
Elsevier Ltd, England
Volume :
188
Pages :
114693
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
This work was supported by the Brazilian National Council for Scientific and Technological Development (CNPq) through CNPq / MCT 557049 / 2009 - 1, as well as through a Universal Call CNPq - Project from PRD (proc. 432518 / 2016 - 9). This work was also supported by a scientific cooperation established between the Brazilian Foundation for the Coordination and Improvement of Higher Level or Education Personnel (CAPES - process numbers 88881.154725 / 2017 - 01 88887.154724 / 2017-00) and Wallonie Bruxelles International (WBI, from Belgium), coordinated by PRD and KD, as well as by the Rio de Janeiro State Government Research Agency [FAPERJ - E-26 / 111.505 / 2010 and E - 26 / 210.464 / 2019 (249593)]. Thanks for C. Delforge for technical assistance during chemical analyses. We would like to thank the Brazilian Navy, which provided logistical support in Antarctica through the “Secretariat of the Interministerial Commission for the Resources of the Sea” (SECIRM). GL and KD are Senior F.R.S.- FNRS research associate. PRD has a research grant from CNPq (PQ-2 proc. 08733 / 2019 - 3). WE is supported by the FONDECYT 3200302 of the Agencia Nacional de Investigación y Desarrollo de Chile (ANID). GOC received a doctoral scholarship from the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq- proc. 141460/2020-2), Ministério da Ciência, Tecnologia e Inovação.Professor Das was responsible for funding acquisition, administration, and supervision of the project (CAPES - process numbers 88,881.154725/2017–0188887.154724/2017–00) and Wallonie Bruxelles International (WBI, from Belgium) that allowed the analysis of trace elements and stable isotopes at the University of Liége. She contributed to the conceptualization, writing, and review of the paper.This work was supported by the Brazilian National Council for Scientific and Technological Development (CNPq) through CNPq / MCT 557049 / 2009 - 1 , as well as through a Universal Call CNPq - Project from PRD (proc. 432518 / 2016 - 9 ). This work was also supported by a scientific cooperation established between the Brazilian Foundation for the Coordination and Improvement of Higher Level or Education Personnel (CAPES - process numbers 88881.154725 / 2017 - 01 88887.154724 / 2017-00 ) and Wallonie Bruxelles International (WBI, from Belgium), coordinated by PRD and KD, as well as by the Rio de Janeiro State Government Research Agency [FAPERJ - E-26 / 111.505 / 2010 and E - 26 / 210.464 / 2019 (249593) ]. Thanks for C. Delforge for technical assistance during chemical analyses. We would like to thank the Brazilian Navy, which provided logistical support in Antarctica through the “Secretariat of the Interministerial Commission for the Resources of the Sea” (SECIRM). GL and KD are Senior F.R.S.- FNRS research associate. PRD has a research grant from CNPq (PQ-2 proc. 08733 / 2019 - 3 ). WE is supported by the FONDECYT 3200302 of the Agencia Nacional de Investigación y Desarrollo de Chile (ANID). GOC received a doctoral scholarship from the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq- proc. 141460/2020-2), Ministério da Ciência, Tecnologia e Inovação.
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